Joji Yamaguchi

Person

Atsugi-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Swept light source and drive data generation method and optical def...
- Patent number 11,721,948
- Issue date Aug 8, 2023
- Nippon Telegraph and Telephone Corporation
- Masahiro Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Swept light source and drive data generation method and optical def...
- Patent number 11,165,219
- Issue date Nov 2, 2021
- Nippon Telegraph and Telephone Corporation
- Masahiro Ueno
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Swept light source and method for controlling the same
- Patent number 10,205,296
- Issue date Feb 12, 2019
- Nippon Telegraph and Telephone Corporation
- Seiji Toyoda
- G01 - MEASURING TESTING
Information Patent Grant
End face observation device
- Patent number 10,006,831
- Issue date Jun 26, 2018
- Nippon Telegraph and Telephone Corporation
- Yuichi Higuchi
- G02 - OPTICS
Information Patent Grant
Optical connector cleaning tool and optical connector end face obse...
- Patent number 9,753,231
- Issue date Sep 5, 2017
- NTT ADVANCED TECHNOLOGY CORPORATION
- Toru Miura
- G02 - OPTICS
Information Patent Grant
Optical input/output device
- Patent number 9,588,300
- Issue date Mar 7, 2017
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- G02 - OPTICS
Information Patent Grant
Optical fiber cross connection apparatus and method
- Patent number 5,784,515
- Issue date Jul 21, 1998
- Nippon Telegraph & Telephone Corporation
- Naoyuki Tamaru
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Swept Light Source and Drive Data Generation Method and Optical Def...
- Publication number 20210408755
- Publication date Dec 30, 2021
- Nippon Telegraph and Telephone Corporation
- Masahiro UENO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Swept Light Source and Drive Data Generation Method and Optical Def...
- Publication number 20200076154
- Publication date Mar 5, 2020
- Nippon Telegraph and Telephone Corporation
- Masahiro Ueo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SWEPT LIGHT SOURCE AND METHOD FOR CONTROLLING THE SAME
- Publication number 20170358899
- Publication date Dec 14, 2017
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- Seiji TOYODA
- G01 - MEASURING TESTING
Information Patent Application
END FACE OBSERVATION DEVICE
- Publication number 20160313211
- Publication date Oct 27, 2016
- Nippon Telegraph and Telephone Corporation
- Yuichi Higuchi
- G02 - OPTICS
Information Patent Application
LIGHT INPUT/OUTPUT DEVICE
- Publication number 20150316725
- Publication date Nov 5, 2015
- Nippon Telegraph and Telephone Corporation
- Mitsumasa Nakajima
- G02 - OPTICS
Information Patent Application
OPTICAL CONNECTOR CLEANING TOOL AND OPTICAL CONNECTOR END FACE OBSE...
- Publication number 20150253516
- Publication date Sep 10, 2015
- NTT Advanced Technology Corporation
- Toru Miura
- G02 - OPTICS

Joji Yamaguchi

Person

Patents Grantslast 30 patents

Swept light source and drive data generation method and optical def...

Swept light source and drive data generation method and optical def...

Swept light source and method for controlling the same

End face observation device

Optical connector cleaning tool and optical connector end face obse...

Optical input/output device

Optical fiber cross connection apparatus and method

Patents Applicationslast 30 patents

Swept Light Source and Drive Data Generation Method and Optical Def...

Swept Light Source and Drive Data Generation Method and Optical Def...

SWEPT LIGHT SOURCE AND METHOD FOR CONTROLLING THE SAME

END FACE OBSERVATION DEVICE

LIGHT INPUT/OUTPUT DEVICE

OPTICAL CONNECTOR CLEANING TOOL AND OPTICAL CONNECTOR END FACE OBSE...